Sanborn Head is pleased to announce that Colleen Costello, P.G. has joined the firm as a Senior Vice President, based out of our Philadelphia office. Her strategic focus is to help grow Sanborn Head’s presence in the Mid-Atlantic region and provide differentiation in the environmental market leveraging the company’s strong legacy of technical innovation and client service excellence.

Colleen is a Professional Geologist with over 30 years of experience focused on the development and delivery of leading-edge strategies and business-impacting solutions, driving sustainable outcomes for both private and public sector clients. Most recently, Colleen was the North America Contamination and Remediation Sector Leader, as part of a large global consultancy firm, managing environmental issues across multiple industries and within a wide range of regulatory frameworks.

With diverse experience and broad knowledge of our markets, Colleen is key to growing Sanborn Head’s Mid-Atlantic presence. “Colleen has joined the firm at a very unique time,” said Russ Abell, Vice President and Industrial Group Leader. “Even  though we are in the middle of a pandemic, Sanborn Head is focused on new opportunities to provide innovative solutions for our clients. We’re excited to have Colleen’s help expanding our environmental practice and our geographic reach.”

Colleen is a strong client advocate with a proven track record of providing creative and strategic business solutions, technical expertise and strong team-building skills. Please join us in extending a warm welcome to Colleen.  She can be reached at

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